资源简介

(共24张PPT)
Internet and Friendships
北师大英语必修4 Unit4 Lesson3
Learning objectives
By the end of this class, we will be able to:
1. figure out the structure of argumentative essays (议论文);
2. get the detailed information and the methods of
supporting the arguments(论点/论据);
3. have a deep insight into (对...有深刻的见解) how the
Internet affects friendships.
Phrases Review
线上支付 。
修图 。
定酒店、订票 。
导航 .
看天气预报 。
订阅报纸和杂志 。
获得折扣 。
把钱存入我的银行账户 。
pay online
retouch photos
book accomodation/tickets
find direction(navigation)
check the weather forecast
subscribe to newspapers and magazines
get discounts
add money to my bank account
A brain teaser(脑筋急转弯):
How far is it between you and your friend in the Internet age
Just a click away!
Does the Internet help or harm friendships And why
positive aspects
negative aspects
bring people closer
stay in constant contact
share more of their feelings anytime and anywhere
make friendships stronger
...
make people self-centred
have little time for real-world friends
mistake the friends online for true ones
be dangerous
...
e.g. I think the Internet helps/harms friendships because ______.
Fast-reading 1
Read and Explore.
Read the first blog post “The Internet Harms Friendships.” Underline the general idea and the topic sentence for each argument.
Fast-reading 1
Read and Explore.
Read the first blog post “The Internet Harms Friendships.” Underline the general idea and the topic sentence for each argument.
Careful-reading 1
Read the first blog post again. Complete the information on the left side of the diagram.
Negative aspects
Topic Sentence:
Supporting details:
Argument 1
Topic Sentence:
Supporting details:
Argument 2
Topic Sentence:
Supporting details:
Argument 3
Fast-reading 2
Read and Explore.
Read the first blog post “The Internet Helps Friendships.” Underline the general idea and the topic sentence for each argument.
Fast-reading 2
Read and Explore.
Read the first blog post “The Internet Helps Friendships.” Underline the general idea and the topic sentence for each argument.
Careful-reading 2
Read the first blog post again. Complete the information on the right side of the diagram.
Postive
aspects
Topic Sentence:
Supporting details:
Argument 1
Topic Sentence:
Supporting details:
Argument 2
Topic Sentence:
Supporting details:
Argument 3
Skimming:
Read Robert’s blog post(博文) and answer the questions. Underline the answers in the text.
1.What’s the general idea of the passage
2. How many topic sentences does he give What are they
3.What does Robert advise friends to do
Skill Builder:
Identifying Topic Sentences
Read the text to get the general idea.
Identify one sentence for each argument that states this general idea. This is the topic sentence.
Skim the passages 1 and underline the answer of each question.
1. What’s the general idea of the passage
2. How many topic sentences does he give What are they
general idea
topic sentence/ argument 1
topic sentence/ argument 2
topic sentence/ argument 3
conclusion
What text type is the passage
exposition
(说明文)
argumentation （议论文）
narration
(记叙文)
3.What does Robert advise friends to do
Read and Explore
√
The structure of the two blogs:
The Internet Harms Friendships
Skill Builder:
Identifying supporting details
Read the text again. Look for extra
information that supports the topic
sentence, e.g. examples, reasons.
These are the supporting details.
(activity 3)
Talking online is no replacement for face-to-face contact
Replace sth with/ by用…替换 （replacement）
Take the replace of=take one’s place代替
育儿专家
What does “it” in this refer to
Concentrate on集中注意力于
Concentration
Concentrate one’s mind/attention/oneself on 致力于
The Internet can make
people self-centred
Be concerned with关心
As far as I am concerned 就我而言
Concerning（介）关于
Addition 新增人员，增加
Add up to合计为
n. 内容，目录，容量
Adj. 满足的 v.使满足
Be content to do/ with sth
To one’s heart’s content尽情地
Online friendships may not be what they appear to be.
Review the synonym sentence in Unit 1
There is a danger that I may not be able to tell whether these friends are real friends.
Post-reading
a citing ideas from experts or authorities
b giving examples
c using data
d referring to common knowledge（常理判断）
e using comparison and contrast（对比比较）
Here are five methods writers often use to support their arguments. Read the two blog posts again. Identify what methods the writers used and find examples from the text.
Read again and identify what methods the writer used.
Find examples from the text.
a citing ideas from experts or authorities引用权威
b referring to common knowledge常理判断
c giving examples举例说明
d using data使用数据
e using comparison and contrast对比比较
According to a parenting expert, Denise Daniels… (Post 1 Line 5-7)
As Eilleen Kennedy Moore, an authority on the subject… (Post 2 Line16-17)
For example, instead of having proper conversations … (Post 1 Line 12-17)
As we know, important social skills… (Post 1 L8-10)
Traditional ways …However, you can…
(Post 2 Line 6-9)
A debate: Does the Internet help or harm friendships
The Internet Harms Friendships
VS
The Internet Helps Friendships
A tip:
Two side refutes (反驳) each other. And your own arguments can be added.
Debater 1 : Opening statement 开场陈词
State(陈述) the opinion of your side
Debater 2 to 3: Free Debate 自由辩
Defend(为...辩护) your own ideas and attack the opponents(对手).
Debater 4 : Closing Statement 总结陈词
Make a conclusion to make your debate more persuasive(有说服力的).
表示反对：
I’m not sure/certain.
Well, it depends.
Well, I’m not so sure about that.
No, I don’t think so really.
I disagree.
I disagree with you entirely.
I’m afraid I don’t agree.
I’m afraid you are wrong there.
Consolidation
Homework
Group Work Debate.
Does the Internet help or harm friendship Express your opinion by using examples or personal experiences.

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